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.\" ========================================================================
.\"
.IX Title "bbl2bib 1"
.TH bbl2bib 1 "2021-10-02" "" "LATEX CROSSREFWARE"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
bbl2bib.pl \- convert thebibliography environment to a bib file
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
bbl2bib.pl [\-d] [\-u] [\fB\-o\fR \fIoutput\fR] \fIfile\fR
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "[\-d]" 4
.IX Item "[-d]"
Send debugging output to stdout
.IP "\fB\-o\fR \fIoutput\fR" 4
.IX Item "-o output"
Output file. If this option is not used, the name for the
output file is formed by changing the extension to \f(CW\*(C`.bib\*(C'\fR
.IP "\fB\-u\fR" 4
.IX Item "-u"
Do not clean \s-1URL\s0 fields.
.Sp
Normally \f(CW\*(C`bbl2bib\*(C'\fR recognizes \s-1URL\s0 fields of the kind
\&\f(CW\*(C`http://dx.doi.org\*(C'\fR and their variants and converts them to \s-1DOI\s0
fields (see also \fBbiburl2doi\fR\|(1) script). The switch \fB\-u\fR
suppresses this cleanup.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The script tries to reconstruct a \f(CW\*(C`bib\*(C'\fR file from the corresponding
\&\f(CW\*(C`thebibliography\*(C'\fR environment. One can argue that this operation is
akin to reconstructing a cow from the steak. The way the script does
it is searching for the entry in the \s-1MR\s0 database, and
creating the corresponding BibTeX fields.
.PP
The script reads a TeX or Bbl file and extracts from it the
\&\f(CW\*(C`thebibliography\*(C'\fR environment. For each bibitem it creates a plain
text bibliography entry, and then tries to match it in
the database.
.SH "INPUT FILE"
.IX Header "INPUT FILE"
We assume some structure of the input file:
.IP "1." 4
The bibliography is contained between the lines
.Sp
.Vb 1
\& \ebegin{thebibliography}...
.Ve
.Sp
and
.Sp
.Vb 1
\& \eend{thebibliography}
.Ve
.IP "2." 4
Each bibliography item starts from the line
.Sp
.Vb 1
\& \ebibitem[...]{....}
.Ve
.SH "EXAMPLES"
.IX Header "EXAMPLES"
.Vb 3
\& bbl2bib \-o \- file.tex > result.bib
\& bbl2bib \-o result.bib file.bbl
\& bbl2bib file.tex
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Boris Veytsman
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright (C) 2014\-2021 Boris Veytsman
.PP
This is free software. You may redistribute copies of it under the
terms of the \s-1GNU\s0 General Public License
<http://www.gnu.org/licenses/gpl.html>. There is \s-1NO WARRANTY,\s0 to the
extent permitted by law.
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